RETIREMENT PLANS - Information Related to Pension and Postretirement Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Projected Benefit Obligation
Recorded benefit obligations	$ 87.0	$ 86.0
Settlement expense		$ 50.6	$ 37.2
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonrecurring (Income) Expense	Other Nonrecurring (Income) Expense
Amounts recognized in Consolidated Balance Sheet:
Other assets	$ 118.4	$ 118.4
Postretirement health care and pension benefits	(651.7)	(670.3)
Amounts recognized in Accumulated Other Comprehensive Loss (Income):
Accumulated other comprehensive loss (income), net of tax	534.7	467.4
Change in Accumulated Other Comprehensive Loss (Income):
Other comprehensive loss (income)	55.1	(130.3)	(289.7)
Aggregate projected benefit obligation, accumulated benefit obligation and fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets:
Aggregate projected benefit obligation	2,428.8	2,392.1
Accumulated benefit obligation	2,392.4	2,355.8
Fair value of plan assets	1,868.9	1,828.1
U.S. Pension. | Pension
Defined Benefit Plan Disclosure
Accumulated Benefit Obligation, end of year	1,859.5	1,799.0
Projected Benefit Obligation
Projected benefit obligation, beginning of year	1,799.0	2,462.7
Service cost	40.9	40.8
Interest cost	88.1	65.3
Actuarial (gain) loss	90.2	(479.8)
Benefits paid	(158.7)	(290.0)
Projected benefit obligation, end of year	1,859.5	1,799.0	2,462.7
Plan Assets
Fair value of plan assets, beginning of year	1,668.5	2,376.8
Actual returns on plan assets	149.1	(430.3)
Company contributions	60.8	12.0
Benefits paid	(158.7)	(290.0)
Fair value of plan assets, end of year	1,719.7	1,668.5	2,376.8
Funded Status, end of year	(139.8)	(130.5)
Amounts recognized in Consolidated Balance Sheet:
Other current liabilities	(9.2)	(9.2)
Postretirement health care and pension benefits	(130.6)	(121.3)
Net liability	(139.8)	(130.5)
Amounts recognized in Accumulated Other Comprehensive Loss (Income):
Unrecognized net actuarial loss (gain)	495.2	411.9
Unrecognized net prior service costs (benefits)	(16.7)	(21.2)
Tax (benefit) expense	(122.8)	(100.8)
Accumulated other comprehensive loss (income), net of tax	355.7	289.9
Change in Accumulated Other Comprehensive Loss (Income):
Amortization of net actuarial gain (loss)	(0.2)	(30.2)
Amortization of prior service credits	4.5	4.5
Current period net actuarial loss (gain)	83.5	97.0
Curtailments and settlements		(51.6)
Tax (benefit) expense	(22.0)	(5.5)
Other comprehensive loss (income)	65.8	14.2
Estimated amounts in accumulated other comprehensive loss expected to be reclassified to net period cost during 2021
Net actuarial loss (gain)	6.1
Net prior service costs (benefits)	(4.6)
Total	1.5
U.S. Pension. | U.S. Postretirement Benefits
Defined Benefit Plan Disclosure
Accumulated Benefit Obligation, end of year	112.0	115.5
Projected Benefit Obligation
Projected benefit obligation, beginning of year	115.5	155.4
Service cost	0.4	0.8	31.4
Interest cost	5.6	3.3	17.3
Participant contributions	3.8	3.7
Actuarial (gain) loss	(0.1)	(33.7)
Benefits paid	(13.2)	(14.0)
Projected benefit obligation, end of year	112.0	115.5	155.4
Plan Assets
Fair value of plan assets, beginning of year	3.2	5.2
Actual returns on plan assets	0.2	(0.8)
Company contributions	12.2	12.8
Benefits paid	(13.2)	(14.0)
Fair value of plan assets, end of year	2.4	3.2	5.2
Funded Status, end of year	(109.6)	(112.3)
Amounts recognized in Consolidated Balance Sheet:
Other current liabilities	(8.7)	(7.6)
Postretirement health care and pension benefits	(100.9)	(104.7)
Net liability	(109.6)	(112.3)
Amounts recognized in Accumulated Other Comprehensive Loss (Income):
Unrecognized net actuarial loss (gain)	(40.8)	(43.6)
Tax (benefit) expense	6.2	7.7
Accumulated other comprehensive loss (income), net of tax	(34.6)	(35.9)
Change in Accumulated Other Comprehensive Loss (Income):
Amortization of net actuarial gain (loss)	3.1	0.6
Current period net actuarial loss (gain)	(0.3)	(32.5)
Tax (benefit) expense	(1.5)	6.5
Other comprehensive loss (income)	1.3	(25.4)
Estimated amounts in accumulated other comprehensive loss expected to be reclassified to net period cost during 2021
Net actuarial loss (gain)	(3.2)
Total	(3.2)
International Pension | Pension
Defined Benefit Plan Disclosure
Accumulated Benefit Obligation, end of year	1,125.8	1,171.1
Projected Benefit Obligation
Projected benefit obligation, beginning of year	1,221.9	1,779.7
Service cost	21.7	28.4
Interest cost	45.9	22.0
Participant contributions	2.8	3.0
Plan amendments	(1.5)
Actuarial (gain) loss	(101.0)	(436.8)
Assumed through acquisitions		15.1
Other events	2.9
Benefits paid	(69.8)	(54.3)
Foreign currency translation	51.1	(135.2)
Projected benefit obligation, end of year	1,174.0	1,221.9	1,779.7
Plan Assets
Fair value of plan assets, beginning of year	905.1	1,219.9
Actual returns on plan assets	(44.0)	(218.3)
Company contributions	35.4	38.3
Participant contributions	2.8	3.0
Acquired through acquisitions	2.9	15.1
Benefits paid	(67.6)	(54.3)
Foreign currency translation	36.6	(98.6)
Fair value of plan assets, end of year	871.2	905.1	$ 1,219.9
Funded Status, end of year	(302.8)	(316.8)
Amounts recognized in Consolidated Balance Sheet:
Other assets	118.4	118.6
Other current liabilities	(33.0)	(28.6)
Postretirement health care and pension benefits	(388.2)	(406.8)
Net liability	(302.8)	(316.8)
Amounts recognized in Accumulated Other Comprehensive Loss (Income):
Unrecognized net actuarial loss (gain)	278.5	279.7
Unrecognized net prior service costs (benefits)	(0.4)	0.3
Tax (benefit) expense	(64.4)	(66.5)
Accumulated other comprehensive loss (income), net of tax	213.7	213.5
Change in Accumulated Other Comprehensive Loss (Income):
Amortization of net actuarial gain (loss)	(14.8)	(22.7)
Amortization of prior service credits	0.5	0.1
Current period net actuarial loss (gain)	(1.0)	(147.8)
Current period prior service costs	(1.5)
Curtailments and settlements	2.7
Tax (benefit) expense	2.1	51.3
Foreign currency translation	12.2	(35.1)
Other comprehensive loss (income)	0.2	$ (154.2)
Estimated amounts in accumulated other comprehensive loss expected to be reclassified to net period cost during 2021
Net actuarial loss (gain)	10.0
Net prior service costs (benefits)	(0.6)
Total	$ 9.4